Have an M8 by 25, 30, or 35mm handlebar bolt? The RAM-B-367U will replace that bolt with a standard ball-mount to put just about anything there! Included with Purchase: (1 QTY) 1\" Rubber ball (1 QTY) M8 x 55 bolt (1.25 thread pitch) (1 QTY) M8 x 60 bolt (1.25 thread pitch) (1 QTY) M8 x 65 bolt (1.25 thread pitch) Compatible Motorcycles: Any motorcycle which employs an 8mm bolt or smaller on its structure. A smaller bolt can be used, though the load capacity decreases with the bolt size.